Home / 5,422,992.96-8,126,079.52-3,142,861.95

Finding the Fourth Proportional to 5,422,992.96, 8,126,079.52 and 3,142,861.95

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Solution

The fourth proportional to 5,422,992.96, 8,126,079.52 and 3,142,861.95 is: 4,709,419.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,422,992.96 : 8,126,079.52 = 3,142,861.95 : x
  2. Step 2: Convert to fraction form
    5,422,992.96/8,126,079.52 = 3,142,861.95/x
  3. Step 3: Cross multiply
    5,422,992.96x = 8,126,079.52 × 3,142,861.95
  4. Step 4: Simplify right side
    5,422,992.96x = 25,539,146,126,082.27
  5. Step 5: Solve for x
    x = 25,539,146,126,082.27/5,422,992.96
  6. Step 6: Final answer
    x = 4,709,419.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.